3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array ( "det1" => [1,2,3,4], "det2" => [5,6] ); $new= []; Foreach($arr as $sub){ $new = array_merge($new, $sub); } var_dump($new);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.4.140.0120.00817.65
8.4.130.0040.00617.80
8.4.120.0140.00520.41
8.4.110.0080.01118.86
8.4.100.0150.00617.79
8.4.90.0110.00820.57
8.4.80.0050.00318.71
8.4.70.0120.00818.64
8.4.60.0090.01418.99
8.4.50.0100.01119.40
8.4.40.0100.01017.75
8.4.30.0130.00617.41
8.4.20.0130.00920.09
8.4.10.0080.00019.57
8.3.270.0120.00916.57
8.3.260.0120.00716.52
8.3.250.0060.00318.65
8.3.240.0110.00616.60
8.3.230.0090.01116.48
8.3.220.0120.00418.98
8.3.210.0040.00316.80
8.3.200.0060.00316.59
8.3.190.0130.00616.56
8.3.180.0080.00918.78
8.3.170.0070.01116.64
8.3.160.0040.00416.40
8.3.150.0090.00917.27
8.3.140.0100.01016.59
8.3.130.0000.01018.47
8.3.120.0060.00318.87
8.3.110.0090.00020.94
8.3.100.0030.00618.40
8.3.90.0040.00426.77
8.3.80.0000.00916.50
8.3.70.0070.01118.45
8.3.60.0110.00418.18
8.3.50.0080.01018.15
8.3.40.0070.00718.46
8.3.30.0070.00718.35
8.3.20.0000.00818.43
8.3.10.0040.00423.48
8.3.00.0040.00421.60
8.2.290.0100.00916.72
8.2.280.0100.00718.61
8.2.270.0120.00616.69
8.2.260.0090.00918.23
8.2.250.0060.00318.51
8.2.240.0030.00617.21
8.2.230.0090.00022.58
8.2.220.0040.01124.06
8.2.210.0100.00726.77
8.2.200.0030.01016.38
8.2.190.0040.01116.58
8.2.180.0090.00618.41
8.2.170.0140.00722.96
8.2.160.0060.00919.21
8.2.150.0000.00824.18
8.2.140.0050.00224.66
8.2.130.0050.00319.64
8.2.120.0070.00026.35
8.2.110.0070.00319.24
8.2.100.0090.00317.78
8.2.90.0040.00419.76
8.2.80.0000.00817.97
8.2.70.0030.00518.04
8.2.60.0000.00818.16
8.2.50.0040.00418.10
8.2.40.0040.00419.35
8.2.30.0040.00420.72
8.2.20.0040.00418.03
8.2.10.0050.00218.05
8.2.00.0050.00319.48
8.1.330.0100.00915.93
8.1.320.0130.00817.85
8.1.310.0060.00315.86
8.1.300.0110.00720.31
8.1.290.0030.00630.84
8.1.280.0040.01125.92
8.1.270.0080.00020.57
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0090.00019.20
8.1.230.0110.00022.74
8.1.220.0030.00617.74
8.1.210.0050.00318.97
8.1.200.0060.00317.23
8.1.190.0080.00017.22
8.1.180.0040.00418.10
8.1.170.0000.00818.60
8.1.160.0070.00018.75
8.1.150.0000.00718.88
8.1.140.0000.00718.94
8.1.130.0000.00917.40
8.1.120.0000.00917.38
8.1.110.0030.00517.44
8.1.100.0000.00717.35
8.1.90.0000.00817.37
8.1.80.0040.00417.45
8.1.70.0030.00617.43
8.1.60.0030.00617.57
8.1.50.0000.00817.53
8.1.40.0040.00417.51
8.1.30.0000.00817.72
8.1.20.0090.00017.62
8.1.10.0030.00617.32
8.1.00.0030.00517.41
8.0.300.0030.00619.63
8.0.290.0040.00416.75
8.0.280.0030.00318.39
8.0.270.0040.00416.74
8.0.260.0000.00716.80
8.0.250.0070.00316.81
8.0.240.0090.00016.87
8.0.230.0050.00516.85
8.0.220.0030.00516.75
8.0.210.0000.00816.85
8.0.200.0030.00616.93
8.0.190.0000.00716.95
8.0.180.0000.00816.85
8.0.170.0040.00416.75
8.0.160.0090.00016.84
8.0.150.0070.00016.90
8.0.140.0030.00516.87
8.0.130.0000.00513.29
8.0.120.0050.00216.71
8.0.110.0050.00316.65
8.0.100.0000.00716.66
8.0.90.0070.00016.70
8.0.80.0030.01616.85
8.0.70.0000.00816.93
8.0.60.0000.00716.77
8.0.50.0040.00416.83
8.0.30.0060.01517.09
8.0.20.0090.01017.40
8.0.10.0040.00416.89
8.0.00.0110.00716.53
7.4.330.0000.00615.55
7.4.320.0060.00016.60
7.4.300.0030.00316.57
7.4.290.0070.00016.47
7.4.280.0000.00916.59
7.4.270.0030.00316.51
7.4.260.0030.00316.55
7.4.250.0070.00016.44
7.4.240.0040.00416.44
7.4.230.0000.00716.68
7.4.220.0080.00016.68
7.4.210.0070.00616.56
7.4.200.0070.00016.43
7.4.160.0090.00716.47
7.4.140.0120.00917.86
7.4.130.0110.00716.50
7.4.120.0120.00616.51
7.4.110.0060.01116.56
7.4.100.0150.00316.42
7.4.90.0120.00416.51
7.4.80.0130.00719.39
7.4.70.0070.01016.48
7.4.60.0060.00916.51
7.4.50.0040.01116.30
7.4.40.0120.01116.57
7.4.10.0110.00714.84
7.4.00.0020.01414.87
7.3.330.0000.00513.00
7.3.320.0050.00013.19
7.3.310.0030.00316.29
7.3.300.0050.00216.16
7.3.290.0030.00316.21
7.3.280.0140.00316.30
7.3.260.0100.00816.37
7.3.240.0100.00816.39
7.3.230.0100.00716.48
7.3.210.0160.00316.30
7.3.200.0080.00816.20
7.3.190.0060.01316.48
7.3.180.0180.00316.55
7.3.170.0130.00916.46
7.3.160.0080.00816.43
7.3.130.0060.00914.70
7.3.120.0090.00914.78
7.3.110.0090.01014.87
7.3.100.0050.01114.55
7.3.90.0050.01114.77
7.3.80.0000.00914.70
7.3.70.0110.00514.75
7.3.60.0060.00614.56
7.3.50.0060.00514.89
7.3.40.0080.00514.84
7.3.30.0030.00714.90
7.3.20.0010.01116.71
7.3.10.0050.00916.74
7.3.00.0090.00516.45
7.2.330.0060.01216.54
7.2.320.0070.01716.54
7.2.310.0130.00316.49
7.2.300.0120.00416.61
7.2.290.0060.01116.47
7.2.260.0030.01614.93
7.2.250.0100.00715.04
7.2.240.0070.01115.17
7.2.230.0060.00715.00
7.2.220.0040.00815.17
7.2.210.0030.01215.04
7.2.200.0070.00714.97
7.2.190.0060.00614.91
7.2.180.0050.00815.00
7.2.170.0090.00614.76
7.2.160.0100.00314.85
7.2.150.0080.00317.04
7.2.140.0110.00717.01
7.2.130.0000.01516.90
7.2.120.0030.01016.93
7.2.110.0050.00516.75
7.2.100.0070.00716.93
7.2.90.0390.01115.85
7.2.80.0610.00615.90
7.2.70.0610.01215.97
7.2.60.0530.00216.01
7.2.50.0460.00815.91
7.2.40.0620.00915.89
7.2.30.0500.00515.91
7.2.20.0640.00916.04
7.2.10.0640.01115.79
7.2.00.0130.00816.03
7.1.330.0050.00915.86
7.1.320.0070.00715.68
7.1.310.0030.01015.85
7.1.300.0070.00315.76
7.1.290.0050.00715.68
7.1.280.0030.00715.76
7.1.270.0060.00815.90
7.1.260.0080.00315.84
7.1.250.0100.00315.74
7.1.240.0090.00615.62
7.1.230.0000.01115.74
7.1.220.0060.00815.52
7.1.210.0420.00814.80
7.1.200.0470.00814.99
7.1.190.0460.00714.73
7.1.180.0470.00814.72
7.1.170.0440.01114.63
7.1.160.0550.01014.75
7.1.150.0510.00714.67
7.1.140.0470.00814.57
7.1.130.0530.00214.72
7.1.120.0090.00714.87
7.1.110.0650.01314.84
7.1.100.0080.00714.96
7.1.90.0100.00614.64
7.1.80.0110.01114.68
7.1.70.0760.00814.98
7.1.60.0120.01623.58
7.1.50.0830.01023.75
7.1.40.0710.01023.78
7.1.30.0550.00823.82
7.1.20.0200.00823.79
7.1.10.0110.00514.58
7.1.00.0890.00614.43
7.0.330.0000.01415.45
7.0.320.0070.00415.50
7.0.310.0040.00715.45
7.0.300.0070.00715.20
7.0.290.0030.00715.38
7.0.280.0040.01115.43
7.0.270.0060.01015.46
7.0.260.0060.00615.39
7.0.250.0080.00815.48
7.0.240.0040.00815.32
7.0.230.0070.00715.56
7.0.220.0060.00615.54
7.0.210.0040.00815.43
7.0.200.0040.00815.61
7.0.190.0030.00915.11
7.0.180.0030.01015.14
7.0.170.0040.00415.61
7.0.160.0070.00715.59
7.0.150.0140.00015.43
7.0.140.0040.00815.25
7.0.130.0030.00715.12
7.0.120.0030.00615.23
7.0.110.0050.00515.37
7.0.100.0030.00615.62
7.0.90.0080.00815.46
7.0.80.0090.00315.36
7.0.70.0000.01715.61
7.0.60.0000.01115.49
7.0.50.0000.00815.20
7.0.40.0000.01213.34
7.0.30.0050.00513.52
7.0.20.0000.00813.16
7.0.10.0090.00313.22
7.0.00.0040.00413.29
5.6.400.0060.00614.34
5.6.390.0060.00614.57
5.6.380.0050.00514.33
5.6.370.0030.00813.91
5.6.360.0040.01114.25
5.6.350.0030.01214.18
5.6.340.0060.00614.14
5.6.330.0040.01114.20
5.6.320.0060.00914.57
5.6.310.0080.00514.53
5.6.300.0060.00614.29
5.6.290.0100.00014.20
5.6.280.0030.00714.41
5.6.270.0080.00314.41
5.6.260.0000.01414.46
5.6.250.0030.00914.32
5.6.240.0070.00314.18
5.6.230.0130.00314.32
5.6.220.0040.00714.09
5.6.210.0030.00614.48
5.6.200.0030.01014.37
5.6.190.0030.01014.20
5.6.180.0040.01214.18
5.6.170.0090.00314.41
5.6.160.0000.01214.19
5.6.150.0100.00714.05
5.6.140.0070.00414.27
5.6.130.0040.01114.58
5.6.120.0030.00714.34
5.6.110.0030.01014.15
5.6.100.0000.01314.05
5.6.90.0030.00714.41
5.6.80.0060.00614.03
5.6.70.0080.00814.48
5.6.60.0040.01114.16
5.6.50.0110.00414.28
5.6.40.0000.01114.17
5.6.30.0080.00414.15
5.6.20.0070.00314.32
5.6.10.0030.00914.19
5.6.00.0130.00014.01

preferences:
42.14 ms | 403 KiB | 5 Q